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In the Kjeldahl’s method for the estimation of nitrogen present in a soil sample, ammonia evolved from 0.75 g of sample neutralised 10 ml of 1 M H2 SO4. The percentage of nitrogen in the soil is 

(a) 37.33 

(b) 45.33 

(c) 35.33 

(d) 45.33

1 Answer

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by (41.6k points)
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Best answer

Correct option is (a) 37.33

In Kjeldahl’s method, percentage of N is given by

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